<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>媒体查询(外部css)</title>
    <link rel="stylesheet"  media="(max-width:1200px)" href="../css/blue.css">
    <link rel="stylesheet"  media="(max-width:768px)" href="../css/pink.css">
</head>
<body>
    <!-- link引入媒体查询也需要按照顺序导入 -->
</body>
</html>